#!/usr/bin/env python
#coding: utf-8
#-*- coding: utf-8 -*-

import os,re,sys,time



pstr = r'(?<=\()[^(]+(?=\))'
p = re.compile(pstr)
temp = " abc ( 2.2 def 123  )  (5.54 MB/s) xyz  "
ret = p.findall(temp)
print ret
